//
// DotNetNuke - http://www.dotnetnuke.com
// Copyright (c) 2002-2010
// by Perpetual Motion Interactive Systems Inc. ( http://www.perpetualmotion.ca )
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated 
// documentation files (the "Software"), to deal in the Software without restriction, including without limitation 
// the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and 
// to permit persons to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or substantial portions 
// of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED 
// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
// CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE.
//

using System;
using System.Collections;
namespace DotNetNuke.Common.Lists
{
	[Serializable()]
	public class ListInfoCollection : CollectionBase
	{
		private Hashtable mKeyIndexLookup = new Hashtable();
		public ListInfoCollection() : base()
		{
			
		}
		public ListInfo GetChildren(string ParentName)
		{
			return (ListInfo)Item(ParentName);
		}
		internal new void Clear()
		{
			mKeyIndexLookup.Clear();
			base.Clear();
		}
		public void Add(string key, object value)
		{
			int index;
			try {
				index = base.List.Add(value);
				mKeyIndexLookup.Add(key.ToLower(), index);
			} catch (Exception ex) {
			}
		}
		public object Item(int index)
		{
			try {
				object obj;
				obj = base.List[index];
				return obj;
			} catch (System.Exception Exc) {
				return null;
			}
		}
		public object Item(string key)
		{
			int index;
			object obj;
			try {
				if (mKeyIndexLookup[key.ToLower()] == null) {
					return null;
				}
			} catch (Exception ex) {
				return null;
			}
			index = Convert.ToInt32(mKeyIndexLookup[key.ToLower()]);
			obj = base.List[index];
			return obj;
		}
		public object Item(string key, bool Cache)
		{
			int index;
			object obj = null;
			bool itemExists = false;
			try {
				if (mKeyIndexLookup[key.ToLower()] != null) {
					itemExists = true;
				}
			} catch (Exception ex) {
			}
			if (!itemExists) {
				ListController ctlLists = new ListController();
				string listName = key.Substring(key.IndexOf(":") + 1);
				string parentKey = key.Replace(listName, "").TrimEnd(':');
				ListInfo listInfo = ctlLists.GetListInfo(listName, parentKey);
				if (Cache) {
					this.Add(listInfo.Key, listInfo);
					return listInfo;
				}
			} else {
				index = Convert.ToInt32(mKeyIndexLookup[key.ToLower()]);
				obj = base.List[index];
			}
			return obj;
		}
		public ArrayList GetChild(string ParentKey)
		{
			ArrayList childList = new ArrayList();
			foreach (object child in List) {
				if (((ListInfo)child).Key.IndexOf(ParentKey.ToLower()) > -1) {
					childList.Add(child);
				}
			}
			return childList;
		}
	}
}
